Alfred beeistey



(No Model.) I

A. BBRNEY. Spark Arrester and Consumer.

No. 239,020. Patented Marph 22,1881.

FIG. ll

W TNESSES? INVIENTEIR; I

MPEIERS. PNOTO-UTHOGRAPHER. WASHXNGION. D, C

UNITED STATES PATENT OFFICE.

ALFRED BERNEY, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO NATHIEL A. DUTTON,OF SAME PLACE.

SPARK ARRESTER AND CONSUMER.

SPECIFICATION forming part of Letters Patent No. 239,020, dated March22, 1881.

Application filed September 30, 1880. (No model.) I

To all whom it may concern Be it known that I, ALFRED BERNEY, a citizenof the United States, residing at Boston, in the county of Suffolk andState. of Massachusetts, have invented certain new and usefulImprovements in Spark Arresters and (Jonsumers; and I do hereby declarethe following to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which itappertains to make and use the same, reference being had to theaccompanying drawings, and to letters or figures of reference markedthereon, which form a part of this specification.

My invention relates to spark arresters and consumers; and the object isto return the sparks, cinders, and unconsumed products of combustion tothe furnace by means of part of the exhaust-steam entering thesmoke-stack;

and the invention consists in arranging in the inner barrel or saddle anannular or segmental curved lip, by which part of the exhaust-blastforces the sparks and products of combustion back into the furnace, tobe there consumed.

It also consists in forming on the return-fines a conducting-tube, allof which will be more fully described hereinafter, reference being hadto the accompanying drawings, in which- Figure I is a longitudinalsection of a loco- 0 motive-boiler with myinvention attached. Fig.

II is a section of the furnace, showing a modified form ofspark-conductin g tube. Fig. III

shows two segmental lips, instead of one annular lip.

In the drawings, A represents a locomotiveboiler having furnace B, tubes0, smoke-arch D, and smoke-stack E, of ordinary constructionf The saddleF is preferably provided with inclines, by which the sparks, 8110., areguided '0 into the curved pipe G, which connects, by a thimble,,,withreturn-fines H. These flues are provided in the furnace with acurved orbent conducting fine or tube, h, by which the sparks are directed eitherto the forward side of the furnace in an inclined manner or between thedouble grates, when used. The inner barrel or the saddle is providedwith an annular overhanginglip, a, by which part of the exhauststeam istrapped and forces the sparks, &c., into the pipe G and back to thefurnace to be 0 consumed. n

Instead of the annular lip, segmental lips I) 0, as shown in Fig. III,may be employed,which would serve the same purpose.

Any suitable cone or netting may be employed over the inner barrel tocheck the sparks, 86G.

Having thus described my invention, what I claim, and desire to secureby Letters Patcut, is-- i 1. In a spark-arrester, one or more overh anging lips on the inner barrel or the saddle, to trap exhaust-steam andreturn sparks to the furnace therewith, substantially as shown andspecified. 65

2. In a spark-arrester, the flues H, provided with a bent or curvedconducting-flue, for returning and guiding the sparks and products ofcombustion to the furnace, substantially as described.

3. In a spark-arrester, the combination of a stack having the innerbarrel provided with overhanging lip or lips, with a pipe, G, andreturn-flues H, provided with conducting-pipe h, substantially asspecified.

In testimony whereof I affix my signature in presence of two witnesses.

ALFRED BERNEY.

Witnesses ROB'I. GUARD, GEo. M. MILLER.

